Exterior surface of automobile front trunk/engine space lid



FIG. 1 is a top perspective view from a front left side showing an exterior surface of automobile front trunk/engine space lid according to our novel design; and,

FIG. 2 is a front view of the exterior surface of automobile front trunk/engine space lid according to our novel design.

The dash line showing of adjacent automobile parts is only for showing the surrounding environment and is not part of the claimed design. 

The ornamental design for an exterior surface of automobile front trunk/engine space lid, as shown and described. 